Alcester, South Dakota — live current conditions, hourly and 7-day forecasts, NWS alerts, radar and satellite imagery for Alcester, Union County.
Full aviation weather for Alcester is published on the Canton Municipal Airport (K7G9) page, 32 km away. It carries the current METAR decoded into plain language — surface wind, visibility, cloud layers and ceiling, temperature and dewpoint, and altimeter setting — alongside the raw observation as transmitted. 4 airfields within reach of Alcester have their own pages, listed below.
The Terminal Aerodrome Forecast (TAF) is shown across its full validity period, with each change group broken out so you can see when conditions are expected to shift. Flight category is derived automatically — VFR, MVFR, IFR or LIFR — from reported ceiling and visibility, with runway details and field elevation alongside. Observations update roughly hourly and forecasts several times a day.
Other airports near Alcester: Harold Davidson Field (KVMR) 38 km · Sioux County Regional Airport (KSXK) 38 km · Le Mars Municipal Airport (KLRJ) 45 km
Conditions reported at K7G9 describe the airfield itself. Weather 32 km away can differ, particularly in terrain or near the coast. For conditions at Alcester specifically, see the current conditions and forecast above.
Alcester rests on the broad, fertile plains of southeastern South Dakota, a place where the horizon stretches endlessly, punctuated only by the occasional grain silo or the distant silhouette of farm buildings. It lies 36.7 miles south of Sioux Falls, SD (from Sioux Falls, SD: bearing 175°T), and is situated 7.6 miles west-north-west of Hawarden. Here, the land rolls with a gentle, patient grace, its contours shaped by ancient glaciers and the persistent work of wind and water. The air, especially in the early mornings and late afternoons, carries a crispness, a clean scent of turned earth and ripening crops that speaks of the seasons' steady march. In the summer, the sky above Alcester can be a breathtaking canvas of bruised purples and fiery oranges as the sun dips below the western edge of the world, casting long, dancing shadows across the fields. The history of Alcester is deeply entwined with the agricultural bounty of Union County, its founding and growth spurred by the fertile soil that has sustained generations of farmers. The local economy, like the land itself, is rooted in the cycles of planting and harvest, with corn and soybeans forming the backbone of its prosperity. While Alcester may not boast grand monuments or bustling tourist attractions, its character is defined by the quiet resilience of its people and the enduring legacy of the pioneers who carved a life from this prairie landscape. The small, well-maintained homes and the modest storefronts lining the main street suggest a community that values practicality and neighborliness, a place where the rhythm of daily life is measured by the sun and the needs of the land.
Live animated radar for Alcester and surroundings — RainViewer.
NOAA GOES-16 GEOCOLOR — live animated loop updated every 10 minutes. Shows cloud cover, storm systems and weather patterns across the continental US.
Source: NOAA/NESDIS GOES-East · Public domain · Auto-updates on page reload
| Location | Alcester, Union County, South Dakota |
| Coordinates | 43.021378°N, 96.630871°W |
| Timezone | Central Time (America/Chicago) |
| ZIP Code(s) | 57001 |
| Area Code | 605 |
| Page generated | September 2026 |
| Weather data | Open-Meteo (open-source), NOAA National Weather Service |
This page provides live weather conditions and forecasts for Alcester, South Dakota, including current conditions, a 24-hour hourly forecast, 7-day outlook, NWS extended text forecast, precipitation radar and NOAA GOES-16 satellite imagery. Aviation weather — live METAR observations and TAF forecasts — is published separately on the pages for the nearest reporting airports, linked from the aviation section above. Additional sections may include tide predictions, wave height, wave direction and sea-surface temperature, a barometric pressure trend, and a solunar-based fishing forecast with a fishing-conditions rating for coastal localities, and soil temperature, crop weather and live USGS river gauge data for agricultural areas near a monitored waterway. All data updates automatically on every page visit.
Location data for Alcester includes coordinates 43.021378°N, 96.630871°W, situated in Union County. ZIP code 57001. Telephone area code: 605. Timezone: Central Time (America/Chicago).
Weather data is sourced from the NOAA National Weather Service (NWS) and the open-source Open-Meteo API. River and stream data is sourced from the USGS National Water Information System. Tide predictions are sourced from NOAA CO-OPS; marine and solunar data are modeled from Open-Meteo and public sunrise/moon calculations and should be treated as a general guide alongside on-the-water conditions. Radar is provided by RainViewer. Satellite imagery is sourced from NOAA/NESDIS GOES-East and is public domain.